| Date | Tournament | State | Round | Harry Malcolm | Daniel Piechnick |
|---|---|---|---|---|---|
| 14/02/1999 | South Australian Championships | SA | 5 | 373 | 394 |
| 05/04/1999 | Australian Championships | NSW | 4 | 392 | 466 |
| 01/08/1999 | Winter Masters | NSW | 14 | 307 | 359 |
| 01/08/1999 | Winter Masters | NSW | 20 | 321 | 431 |
| 12/06/2000 | Victorian Championships | VIC | 16 | 408 | 324 |
| 18/11/2001 | SA/Victoria Border Challenge | VIC | 5 | 361 | 451 |
| 03/11/2002 | SA/Victoria Border Challenge Dimboola | VIC | 1 | 411 | 368 |
| 31/10/2004 | SA/Victoria Border Challenge Dimboola | VIC | 10 | 471 | 370 |
| 30/10/2005 | Victoria/SA Border Challenge Dimboola | VIC | 11 | 289 | 404 |
| 08/12/2007 | Halls Gap Border Challenge SA:Vic | VIC | 2 | 297 | 497 |
| Head-to-head after 10 games | 3 | 7 | |||
| Average score | 363.00 | 406.40 | |||
| Spread | -434 | 434 | |||